ASoC: Convert ak4535 to devm_kzalloc()

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/ak4535.c b/sound/soc/codecs/ak4535.c
index 96296fd..9e809e0 100644
--- a/sound/soc/codecs/ak4535.c
+++ b/sound/soc/codecs/ak4535.c
@@ -416,7 +416,8 @@
 	struct ak4535_priv *ak4535;
 	int ret;
 
-	ak4535 = kzalloc(sizeof(struct ak4535_priv), GFP_KERNEL);
+	ak4535 = devm_kzalloc(&i2c->dev, sizeof(struct ak4535_priv),
+			      GFP_KERNEL);
 	if (ak4535 == NULL)
 		return -ENOMEM;
 
@@ -425,15 +426,12 @@
 
 	ret = snd_soc_register_codec(&i2c->dev,
 			&soc_codec_dev_ak4535, &ak4535_dai, 1);
-	if (ret < 0)
-		kfree(ak4535);
 	return ret;
 }
 
 static __devexit int ak4535_i2c_remove(struct i2c_client *client)
 {
 	snd_soc_unregister_codec(&client->dev);
-	kfree(i2c_get_clientdata(client));
 	return 0;
 }